Thermal diode works in space : Page 2 of 2

August 19, 2020 //By Nick Flaherty
LAB MEMBER MOJTABA EDALATPOUR SHOWS THE THERMAL DIODE DEVELOPED BY BOREYKO'S TEAM.
Researchers at Virginia Tech have developed a bridging-droplet thermal diode that is 100 times more effective at removing heat
into the water. Water turns to steam and moves away from the source of the heat. The hydrophobic, nonconducting side prevents heat from entering via the air or other heat sources that may be near, allowing the diode to manage the heat only from its main subject.

Boreyko's team measured a nearly 100-fold increase in heat conduction when the wicked side was heated, compared to the hydrophobic side. This is a significant improvement to existing thermal diodes. According to Boreyko, current diodes are either not very effective, only conducting a few times more heat in one direction, or require gravity. This new bridging-droplet thermal diode can be used upright, sideways, or even upside-down, and would even work in space where gravity is negligible.

The team has filed a provisional patent and is in search of industry partners to carry on the work.

The research was  published in Advanced Functional Materials .

www.vtnews.vt.edu

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LAB MEMBER MOJTABA EDALATPOUR SHOWS THE THERMAL DIODE DEVELOPED BY BOREYKO'S TEAM.

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